Summary statistics for s3_1_c8_3 variable in snf_rollup2540_96_2007 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
   s3_1_c8_3 |         31    22.19355    33.56131          1        137

by Jean Roth , jroth@nber.org , 17 Feb 2018